/[SQL2XLS]/sql2xlsx.cgi
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revision 7 by dpavlin, Mon Nov 3 18:50:02 2008 UTC revision 22 by dpavlin, Thu Nov 6 10:37:17 2008 UTC
# Line 1  Line 1 
1  #!/usr/bin/perl  #!/usr/bin/perl -T
2  use warnings;  use warnings;
3  use strict;  use strict;
4    
# Line 8  sql2xls.pl - convert sql queries on file Line 8  sql2xls.pl - convert sql queries on file
8    
9  =head1 USAGE  =head1 USAGE
10    
11  Each file in current directory which ends in C<< *.sql >> will  Each file in current directory which ends in C<*.sql> will
12  be converted to Excel sheet. If you want to have specific order, you can  be converted to Excel sheet. If you want to have specific order, you can
13  prefix filenames with numbers which will be striped when creating sheet  prefix filenames with numbers which will be striped when creating sheet
14  names.  names.
15    
16  Comments in sql files (lines beginning with --) will be placed  Comments in sql files (lines beginning with C<-->) will be placed
17  in first line in bold.  in first line in bold.
18    
19  To specify database on which SQL query is executed  To specify database on which SQL query is executed
20  C<< \c database >> syntax is supported.  C<\c database> syntax is supported.
21    
22  You can also run script from command line, and it will produce  You can also run script from command line, and it will produce
23  C<< sql_reports.xls >> file.  C<sql_reports.xls> file.
24    
25    If run within directory, it will use files in it to produce file.
26    
27    When called as CGI, directory name can be appended to name of script
28    to produce report for any sub-directory within directory where
29    C<sql2xls.cgi> is installed.
30    
31    =head1 INSTALLATION
32    
33    Only required file is this script C<< sql2xls.cgi >>
34    
35    If your server is configured to execute C<.cgi> files, you can
36    drop this script anywhere, but you can also add something like
37    
38       ScriptAlias /xls-reports /srv/SQL2XLS/sql2xls.cgi
39    
40    in Apache's virtual host configuration to get nice URLs
41    
42    To configure default database, user, password and other settings create
43    C<config.pl> file in same directory in which C<sql2xls.cgi> is with something
44    like this:
45    
46      $dsn      = 'DBI:mysql:dbname=';
47      $database = 'database';
48      $user     = 'user';
49      $passwd   = 'password';
50      $path     = 'sql_reports.xls';
51    
52      $db_encoding     = 'utf-8';
53      $xls_date_format = 'dd.mm.yyyy';
54    
55      $debug = 1;
56    
57    =head1 SECURITY
58    
59    There is none. Use apache auth modules if you need it.
60    
61  =head1 AUTHOR  =head1 AUTHOR
62    
63  Dobrica Pavlinusic, dpavlin@rot13.org  Dobrica Pavlinusic, dpavlin@rot13.org, L<http://svn.rot13.org/index.cgi/SQL2XLS/>
64    
65  =cut  =cut
66    
67  use Spreadsheet::WriteExcel;  use Spreadsheet::WriteExcel;
68  use DBI;  use DBI;
69  use CGI::Carp qw(fatalsToBrowser);  use CGI::Carp qw(fatalsToBrowser);
 use CGI qw(path_translated);  
70  use Encode qw/decode/;  use Encode qw/decode/;
71  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
72    
73  # edit following to set defaults  our $dsn      = 'DBI:Pg:dbname=';
74  my $dsn      = 'DBI:Pg:dbname=';  our $database = 'template1';
75  my $database = 'template1';  our $user     = 'dpavlin';
76  my $user     = 'dpavlin';  our $passwd   = '';
77  my $passwd   = '';  our $path     = 'sql_reports.xls';
 my $path     = 'sql_reports.xls';  
78    
79  my $db_encoding     = 'iso-8859-2';  our $db_encoding     = 'iso-8859-2';
80  my $xls_date_format = 'dd.mm.yyyy';  our $xls_date_format = 'dd.mm.yyyy';
81    
82  my $debug = 1;  our $debug = 1;
83    
84  my $sql_dir = path_translated || '.';  my $sql_dir = $ENV{SCRIPT_FILENAME} || '.';
85  $sql_dir =~ s,/[^/]+$,,;  $sql_dir =~ s,/[^/]+$,,;
86    
87    sub require_config {
88            my $config_path = $1 if "$sql_dir/config.pl" =~ m/^(.+)$/; # untaint
89            warn "# using $config_path\n";
90            require $config_path if -e $config_path;
91    }
92    
93    require_config;
94    
95    my $reports_path = $ENV{PATH_INFO} || '';
96    $reports_path =~ s/\.\.//g; # some protection against path exploits
97    $reports_path ||= shift @ARGV; # for CLI invocation
98    $sql_dir .= "/$reports_path" if -e "$sql_dir/$reports_path";
99    
100    require_config;
101    
102    warn "# reading SQL queries from $sql_dir\n" if $debug;
103    
104  opendir(DIR, $sql_dir) || die "can't opendir $sql_dir: $!";  opendir(DIR, $sql_dir) || die "can't opendir $sql_dir: $!";
105  my @sql_files = sort grep { /\.sql$/i && -f "$sql_dir/$_" } readdir(DIR);  my @sql_files = sort grep { /\.sql$/i && -f "$sql_dir/$_" } readdir(DIR);
106  closedir DIR;  closedir DIR;
# Line 67  if ($ENV{GATEWAY_INTERFACE} && $ENV{GATE Line 118  if ($ENV{GATEWAY_INTERFACE} && $ENV{GATE
118    
119  my $date_format = $workbook->add_format(num_format => $xls_date_format);  my $date_format = $workbook->add_format(num_format => $xls_date_format);
120    
121  my $dbh = DBI->connect($dsn . $database,$user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;  our $dbh;
122    sub use_database {
123            $dbh->disconnect if $dbh;
124            my $database = shift || return;
125            print STDERR "## connect to $database\n" if $debug;
126            $dbh = DBI->connect($dsn . $database,$user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;
127            $dbh->do( qq{ set names '$db_encoding'; } ) if $db_encoding && $dsn =~ m{mysql};
128    }
129    
130    use_database( $database );
131    
132  sub _c {  sub _c {
133            return shift unless $db_encoding;
134          return decode( $db_encoding, shift );          return decode( $db_encoding, shift );
135  }  }
136    
137  foreach my $sql_file (@sql_files) {  foreach my $sql_file (@sql_files) {
138    
139          my $sheet_name = $sql_file;          my $sheet_name = $sql_file;
140          $sheet_name =~ s/\d+_//;          $sheet_name =~ s/\d+[_-]//;
141          $sheet_name =~ s/_/ /g;          $sheet_name =~ s/_/ /g;
142          $sheet_name =~ s/\.sql//;          $sheet_name =~ s/\.sql//;
143    
144          # Add a worksheet          # Add a worksheet
145          my $worksheet = $workbook->addworksheet($sheet_name);          warn "# clipping sheet name '$sheet_name' to 31 char limit\n" if length $sheet_name > 31;
146            my $worksheet = $workbook->addworksheet( substr($sheet_name,0,31) );
147    
148          print STDERR "working on $sql_file\n" if ($debug);          print STDERR "working on $sql_file\n" if ($debug);
149    
150          open(SQL,$sql_file) || die "can't open sql file '$sql_file': $!";          open(SQL,"$sql_dir/$sql_file") || die "can't open sql file '$sql_dir/$sql_file': $!";
151          my $comment = '';          my $comment = '';
152          my $sql = "";          my $full_sql = "";
153          while(<SQL>) {          while(<SQL>) {
154                  chomp;                  chomp;
155                  if (/^\\c\s+(\S+)/) {                  if (/^\\c\s+(\S+)/) {
156                          $dbh->disconnect if $dbh;                          use_database( $1 );
                         print STDERR "## connect to $1\n" if $debug;  
                         $dbh = DBI->connect($dsn . $1,$user,$passwd, { RaiseError => 1, AutoCommit => 0 }) || die $DBI::errstr;  
157                  } elsif (/^--(.+)/) {                  } elsif (/^--(.+)/) {
158                          $comment.=$1;                          $comment.=$1;
159                  } else {                  } else {
160                          $sql.= ' ' . $_;                          $full_sql.= ' ' . $_;
161                  }                  }
162          }          }
163          close(SQL);          close(SQL);
164    
165          $sql =~ s/\s\s+/ /gs;          $full_sql =~ s/\s\s+/ /gs;
166            $full_sql .= ';' unless $full_sql =~ m/;\s*/s;
167    
168          print STDERR "sql: $sql\ncomment: $comment\n" if ($debug);          print STDERR "sql: $full_sql\ncomment: $comment\n" if ($debug);
169    
170          my $row = 0;          my $row = 0;
171    
# Line 114  foreach my $sql_file (@sql_files) { Line 175  foreach my $sql_file (@sql_files) {
175                  my $fmt_comment = $workbook->addformat();    # Add a format                  my $fmt_comment = $workbook->addformat();    # Add a format
176                  $fmt_comment->set_bold();                  $fmt_comment->set_bold();
177    
178                    $comment =~ s/^\s+//;
179                    $comment =~ s/\s+$//;
180    
181                  $worksheet->write($row, 0, _c($comment), $fmt_comment);                  $worksheet->write($row, 0, _c($comment), $fmt_comment);
182                  $row+=2;                  $row+=2;
183          }          }
184    
         my $sth = $dbh->prepare($sql);  
         $sth->execute();  
   
185          my $fmt_header = $workbook->addformat();    # Add a format          my $fmt_header = $workbook->addformat();    # Add a format
186          $fmt_header->set_italic();          $fmt_header->set_italic();
187    
188          for(my $col=0; $col<=$#{ $sth->{NAME} }; $col++) {          foreach my $sql ( split(/;/, $full_sql ) ) {
                 $worksheet->write($row, $col, ${ $sth->{NAME} }[$col], $fmt_header);  
         }  
         $row++;  
189    
190          my @types = map { $dbh->type_info($_) ? $dbh->type_info($_)->{TYPE_NAME} : '?' } @{ $sth->{TYPE} };                  warn "SQL: $sql\n" if $debug;
191    
192          while (my @row = $sth->fetchrow_array() ) {                  my $sth = $dbh->prepare($sql);
193                  for(my $col=0; $col<=$#row; $col++) {                  $sth->execute();
194                          my $data = $row[$col];  
195                          if ( $types[$col] =~ m/^date/i ) {                  next unless $sth->{NAME}; # $sth->rows doesn't work for insert into with MySQL
196                                  $data .= 'T' if $data =~ m/^\d\d\d\d-\d\d-\d\d$/;  
197                                  $data =~ s/^(\d\d\d\d-\d\d-\d\d)\s(\d\d:\S+)$/$1T$2/;                  my @types = eval {
198                                  warn "## $data\n";                          map { $dbh->type_info($_) ? $dbh->type_info($_)->{TYPE_NAME} : '?' } @{ $sth->{TYPE} };
199                                  $worksheet->write_date_time( $row, $col, $data, $date_format );                  };
200                          } else {  
201                                  $worksheet->write($row, $col, _c( $data ) );                  for(my $col=0; $col<=$#{ $sth->{NAME} }; $col++) {
202                          }                          $worksheet->write($row, $col, ${ $sth->{NAME} }[$col], $fmt_header);
203                  }                  }
204                  $row++;                  $row++;
         }  
205    
206                    while (my @row = $sth->fetchrow_array() ) {
207                            for(my $col=0; $col<=$#row; $col++) {
208                                    my $data = $row[$col];
209                                    next unless defined $data;
210                                    if ( $types[$col] && $types[$col] =~ m/^date/i ) {
211                                            $data .= 'T' if $data =~ m/^\d\d\d\d-\d\d-\d\d$/;
212                                            $data =~ s/^(\d\d\d\d-\d\d-\d\d)\s(\d\d:\d\d:\d\d)$/$1T$2/;
213                                            warn "## by type datetime $data\n" if $debug;
214                                            $worksheet->write_date_time( $row, $col, $data, $date_format );
215                                    } elsif ( $data =~ s/^(\d\d\d\d-\d\d-\d\d)[\sT](\d\d:\d\d:\d\d)$/$1T$2/ ) {
216                                            warn "## heuristic date time: $1T$2\n" if $debug;
217                                            $worksheet->write_date_time( $row, $col, "$1T$2", $date_format );
218                                    } else {
219                                            $worksheet->write($row, $col, _c( $data ) );
220                                    }
221                            }
222                            $row++;
223                    }
224    
225                    $row++; # separete queries by one row
226            }
227  }  }
228    
229  $dbh->disconnect;  $dbh->disconnect;
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